B31B2201/9028 - CPC Classification Index

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Classification
B31B
B31B2201/00
B31B2201/90
B31B2201/9009
B31B2201/9019
B31B2201/9028

ClassID:

54979 ⎘

B31B2201/9028 - CPC Classification

Classification description:

Home
Classification
B31B
B31B2201/00
B31B2201/90
B31B2201/9009
B31B2201/9019
B31B2201/9028

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